/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicMeshOctree3.h
true if the cell identified by CellRef intersects the Bounds box
bool TestCellIntersection ( const [FCellReference](API\Runtime\GeometryCore\DynamicMesh\FDynamicMeshOctree3\FCellReference) & CellRef, const [FAxisAlignedBox3d](API\Runtime\GeometryCore\FAxisAlignedBox3d) & Bounds ) const